Portion of a shoe



FIG. 1 is a first perspective view of a portion of a shoe showing my new design;

FIG. 2 is a side view of one side thereof;

FIG. 3 is a side view of the other side thereof;

FIG. 4 is a rear view thereof; and,

FIG. 5 is a second perspective view thereof.

The broken lines immediately adjacent to the shaded area in the midfoot region represent an unclaimed boundary of the design. The broken line showing of two slots within the shaded area and the regions therein, and the remainder of the shoe is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portion of a shoe, as shown and described. 